短語詞組短語polyurethane sandwich insulation panel 聚氨酯夾芯板sandwich construction panel 夾層筒殼;夾層結(jié)構(gòu)板polyurethane sandwich wall panel 聚氨酯夾芯墻面板polystyrene sandwich insulation panel 聚苯乙烯夾芯板sandwich reflector panel 夾層面板FRP sandwich structure panel 玻璃鋼夾層結(jié)構(gòu)板sandwich wall panel 復(fù)合墻板sandwich h panel 夾層板closed sandwich type panel 閉合嵌板;封邊夾層板 返回 sandwich panel